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NCI Dictionary of Cancer Terms

distal urethra  listen  (DIS-tul yoo-REE-thruh)

  The part of the urethra closest to the outside of the body. The urethra is the tube through which urine leaves the body. In women, the distal urethra is approximately the last ½ inch, and in men it is the part of the urethra in the penis.

Distal and proximal urethra. Drawing on the left shows the female proximal and distal urethra; also shown are the bladder filled with urine, the ureters, and the uterus. Cross-section drawing on the right shows the male proximal and distal urethra. Also shown are the rectum, prostate gland, penis, and testis.